The TFV8 has seen an upgrade! Introducing the Smok TFV12 Baby Prince, featuring an improved top fill switch cap. With a simple press of the button, this patented locking mechanism can effectively prevent you from accidentally opening the top cap causing e-liquid leakage. The prince also comes with a new variation of coils as well as being able to still use TFV8 V8 0.4 Ohm quadruple coils, they can also use the V8 Baby T12 Red Light 0.15 Ohm Duodecuple coils or the 0.15 Ohm V8 Baby Mesh Coils. These coils are newly designed, the light coil will emit a light when you are vaping and does also come in green or orange versions which are sold separately, the mesh coil has a larger heating area to speed up the heating process.Which coils fit the Smok – TFV12 Baby Prince Sub-Ohm Mesh Tank?The coils compatible with the Smok – TFV12 Baby Prince Sub-Ohm Mesh Tank are the V8 Baby T12, the V8 Baby Mesh Coils, the V8 Baby Q2 Coils and the V8 Baby M2 Coils.